This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 4 |
| 4 | 91 |
| 5 | 2401 |
| 6 | 28 |
| 7 | 117649 |
| 8 | 1729 |
| 9 | 196 |
| 10 | 31213 |
| 11 | 282475249 |
| 12 | 364 |
| 13 | 13841287201 |
| 14 | 1529437 |
| 15 | 9604 |
| 16 | 53599 |
| 17 | 33232930569601 |
| 18 | 2548 |
| 19 | 1628413597910449 |
| 20 | 593047 |
| 21 | 470596 |
| 22 | 3672178237 |
| 23 | 3909821048582988049 |
| 24 | 6916 |
| 25 | 68574961 |
| 26 | 179936733613 |
| 27 | 33124 |
| 28 | 29059303 |
| 29 | 459986536544739960976801 |
| 30 | 124852 |